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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Leukemia. 2008 Oct 30;23(1):3–9. doi: 10.1038/leu.2008.291

Table 3.

International staging system

Stage I
 Serum β2-microglobulin <3.5 mg/l and
 Albumin ≥3.5 g/100 ml
Stage II
 Not fitting stage I or II
Stage III
 Serum β2-microglobulin ≥5.5 mg/l